roc: Receiver operator characteristic

In MDMA: Mathijs Deen's Miscellaneous Auxiliaries

Receiver operator characteristic

Description

Calculate ROC curve statistics.

Usage

roc(response, group, levels, state)

Arguments

response	response variable for which thresholds will be calculated.
group	group variable.
levels	relevant levels of group variable. Should have length 2.
state	state level of levels..

Value

Returns a list with the following elements:

data	data.frame with two columns, containing the response and group variable for each level in levels without missings.
rdf	ROC dataframe. This is a data.frame containing sensitivity and specificity values for all threshold values.
auc	Area under the ROC curve.
response	Response variable from input data.
group	Group variable from the input data.
levels	Used levels.
state	State level.

Author(s)

Mathijs Deen

Examples

roc(QIDS$QIDS, QIDS$depression, c("No","Yes"), "Yes") |>
  plot(ylim.3=c(0,.2))

MDMA documentation built on April 3, 2025, 11:10 p.m.